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Attention: RHN Hosted will reach the end of its service life on July 31, 2017.
Customers will be required to migrate existing systems to Red Hat Subscription Management prior to this date.
Learn more here

Details

Updated pango packages that fix one security issue are now available forRed Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having criticalsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available from the CVE link inthe References section.

Pango is a library used for the layout and rendering of internationalizedtext.

It was discovered that Pango did not check for memory reallocation failuresin the hb_buffer_ensure() function. An attacker able to trigger areallocation failure by passing sufficiently large input to an applicationusing Pango could use this flaw to crash the application or, possibly,execute arbitrary code with the privileges of the user running theapplication. (CVE-2011-0064)

Red Hat would like to thank the Mozilla Security Team for reporting thisissue.

All pango users should upgrade to these updated packages, which contain abackported patch to correct this issue. After installing this update, youmust restart your system or restart the X server for the update to takeeffect.

Solution

Before applying this update, make sure all previously-released erratarelevant to your system have been applied.